131643364 has 12 divisors (see below), whose sum is σ = 231790384. Its totient is φ = 65417544.

The previous prime is 131643313. The next prime is 131643377. The reversal of 131643364 is 463346131.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100302 + ... + 101605.

Almost surely, 2^131643364 is an apocalyptic number.

It is an amenable number.

131643364 is a deficient number, since it is larger than the sum of its proper divisors (100147020).

131643364 is a wasteful number, since it uses less digits than its factorization.

131643364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202074 (or 202072 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 131643364 is about 11473.5942058276. The cubic root of 131643364 is about 508.7053720308.

Adding to 131643364 its reverse (463346131), we get a palindrome (594989495).

The spelling of 131643364 in words is "one hundred thirty-one million, six hundred forty-three thousand, three hundred sixty-four".